Computer Science 225
Advanced Programming

Spring 2022, Siena College

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Agenda

• Announcements
  • Grading updates
  • Lab 6: Quadtrees and More Java Graphics (in Canvas and GitHub) due the day before your lab meeting this week
  • Problem Set 5 due at the end of the week
• About Exam 1
• Finishing up the memory diagram for the DrawTriangles program
• Introduction to animation
  • "active" objects
  • the Thread class
  • animation fundamentals
• Quick in-class exercise (3 points)

  "In-class 12" in Canvas has a link to accept a repository that has a modified version of the Falling Ball Demo example. Your task, which we will work toward together, is to modify the program so the ball accelerates due to gravity.

• Displaying images
• Threads to create additional objects

Terminology

• multithreading
• thread of execution
• concurrent execution

Examples

• FallingBallDemo: a first animation and first thread
• SnowScene: more threads and importing an image